release and thoughts

Billy Tanksley
Mon, 21 Aug 1995 19:39:48 -0700 (PDT)

On Fri, 18 Aug 1995, Tommy Hallgren wrote:

> Billy Tanksley wrote:

> > If you force virtual memory on everything, 
> > many things will have trouble.  If you only provide virtual memory as a 
> > service to things that need it, nothing will break.  (Simplified case.  
> > Murphy's law may apply otherwise in some finite states.)

> I don't think this is true. There are quite a few programs for the Amiga that
> gives you true virtual memory with no loss of speed. So I guess you are 
> wrong, a system with vm isn't neccessary slower than a system without vm.

I didn't say that VM was slower in any universal sense.  It does slow 
certain things down at certain times, though (for example, while it's 

> (MacOs)
> > It's not even object-oriented!

> Ehhh, from what I've heard the MacOs is a very OO OS. But that maybe 
   depends on
> the definition of OO?

Doesn't really depend, no.  MacOS is somewhat OO; it has some of the 
features.  No definition will allow it to be called "very" OO, though.  
Perhaps even some of the true OO OSes couldn't be called very OO!  I 
wouldn't be able to guess on that; all I know is Geos, and it looks very 
OO to me (I develop for it).

What OSes are acknowledged as full OO?  I know about NextStep and Geos.  Any